a random sample of 200 dancers was asked if they practice dancing 20 or more hours per week. the results are shown in the table.
practice 20 or more hours per week do not practice 20 or more hours per week
ballet dancers 113 0
jazz dancers 0 87
what type of association does the table show between type of dancer and practicing more than 20 hours per week?
no association
a weak association
a strong association
a moderate association